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Table 3 The numerical errors

From: Application of C-Bézier and H-Bézier basis functions to numerical solution of convection-diffusion equations

Basis

h

α

\(\|u-u_{h}\|_{\infty}\)

\(\|u-u_{h}\|_{0}\)

\(|u-u_{h}|_{1}\)

Lagrange

\(\frac{1}{4} \)

1.0399e − 04

5.6672e − 05

1.5000e − 03

\(\frac{1}{8} \)

1.1736e − 05

7.1429e − 06

3.7051e − 04

\(\frac{1}{16} \)

1.7590e − 06

8.9473e − 07

9.2787e − 05

\(\frac{1}{32} \)

2.2233e − 07

1.1190e − 07

2.3207e − 05

H-Bézier

\(\frac{1}{4} \)

\(\frac{1}{4}\)

4.5819e − 12

3.1198e − 12

4.0685e − 11

\(\frac{1}{8} \)

\(\frac{1}{8}\)

1.6454e − 13

1.0612e − 13

2.8138e − 12

\(\frac{1}{16} \)

\(\frac{1}{16}\)

3.7970e − 14

2.1969e − 14

1.2745e − 12

\(\frac{1}{32} \)

\(\frac{1}{32}\)

2.4425e − 14

1.2866e − 14

6.3154e − 13